There has been substantial debate about e-voting security in the past 10 years. As a result, e-voting has evolved away from lever machines and punched cards, through touchscreen voting machines, to a voter-verifiable paper audit trail phase, and voter-marked paper ballots paired with optical scan tabulators. Still, the debate over e-voting security continues. The guest editors introduce the articles in this special issue, which cover technology aimed at both improving election integrity and providing confidence through postelection audits. These articles advance the e-voting security debate and will contribute to long-term election integrity.